PAM_GET_ITEM(3)

NAME
pam_get_item - get PAM information

LIBRARY
libpam

SYNOPSIS
#include <sys/types.h>
#include <security/pam_appl.h>
int
pam_get_item(const pam_handle_t *pamh, int item_type, const void **item);

DESCRIPTION
The pam_get_item() function stores a pointer to the item specified by the item_type argument in the location pointed to by the item argument. The item is retrieved from the PAM context specified by the pamh argument. If pam_get_item() fails, the item argument is untouched.

The following item types are recognized:

PAM_SERVICE
    The name of the requesting service.

PAM_USER
    The name of the user the application is trying to authenticate.

PAM_TTY
    The name of the current terminal.

PAM_RHOST
    The name of the applicant's host.

PAM_CONV
    A struct pam_conv describing the current conversation function.

PAM_AUTHTOK
    The current authentication token.

PAM_OLDAUTHTOK
    The expired authentication token.

PAM_RUSER
    The name of the applicant.

PAM_USER_PROMPT
    The prompt to use when asking the applicant for a user name to authenticate as.

PAM_AUTHTOK_PROMPT
    The prompt to use when asking the applicant for an authentication token.

PAM_OLDAUTHTOK_PROMPT
    The prompt to use when asking the applicant for an expired authentication token prior to changing it.

PAM_HOST
    The name of the host the application runs on.

PAM_SOCKADDR
    The sockaddr_storage of the applicants's host.

PAM_NUSER
    The “ nested ” user if this is a login on top of a previous one.

See pam_start(3) for a description of struct pam_conv.

RETURN VALUES
The pam_get_item() function returns one of the following values:

[PAM_SYMBOL_ERR]
    Invalid symbol.

[PAM_SYSTEM_ERR]
    System error.

SEE ALSO
pam(3), pam_set_item(3), pam_start(3), pam_strerror(3)

STANDARDS
X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules, June 1997.

AUTHORS
The pam_get_item() function and this manual page were developed for the FreeBSD Project by ThinkSec AS and Network Associates Laboratories, the Security Research Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (“CBOSS”), as part of the DARPA CHATS research program.

The OpenPAM library is maintained by Dag-Erling Smørgrav <des@des.no>.